package com.hermes.biz.service.user;

import java.util.List;

public interface UserRelationshipService {

    /**
     * Follow single user by userId
     * @param userId
     * @param followedUserId
     * @return
     */
    public boolean followSingleUserByUserId(long userId, long followedUserId);

    /**
     * Follow batch users by userId list
     * @param userId
     * @param userIds
     * @return
     */
    public boolean followBatchUsersByUserIdList(long userId, List<Long> userIds);

    /**
     * Remove concerning user by user id
     * @param userId
     * @param removedId
     * @return
     */
    public boolean removeConcernUserByUserId(long userId, long removedId);
}
